Cregit: Linux 5.17: intel-gtt.h

Contributors: 8
Author	Tokens	Token Proportion	Commits	Commit Proportion
Daniel Vetter	87	65.41%	7	41.18%
Chris Wilson	18	13.53%	2	11.76%
Ben Widawsky	13	9.77%	2	11.76%
Andy Shevchenko	7	5.26%	1	5.88%
Jani Nikula	5	3.76%	2	11.76%
Greg Kroah-Hartman	1	0.75%	1	5.88%
Mika Kuoppala	1	0.75%	1	5.88%
Matthew Auld	1	0.75%	1	5.88%
Total	133		17

/* SPDX-License-Identifier: GPL-2.0 */
/* Common header for intel-gtt.ko and i915.ko */

#ifndef _DRM_INTEL_GTT_H
#define	_DRM_INTEL_GTT_H

#include <linux/types.h>

struct agp_bridge_data;
struct pci_dev;
struct sg_table;

void intel_gtt_get(u64 *gtt_total,
		   phys_addr_t *mappable_base,
		   resource_size_t *mappable_end);

int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
		     struct agp_bridge_data *bridge);
void intel_gmch_remove(void);

bool intel_enable_gtt(void);

void intel_gtt_chipset_flush(void);
void intel_gtt_insert_page(dma_addr_t addr,
			   unsigned int pg,
			   unsigned int flags);
void intel_gtt_insert_sg_entries(struct sg_table *st,
				 unsigned int pg_start,
				 unsigned int flags);
void intel_gtt_clear_range(unsigned int first_entry, unsigned int num_entries);

/* Special gtt memory types */
#define AGP_DCACHE_MEMORY	1
#define AGP_PHYS_MEMORY		2

/* flag for GFDT type */
#define AGP_USER_CACHED_MEMORY_GFDT (1 << 3)

#endif